 $(document).ready(function(){
			var offsetY = $(window).height() - $('#go_top_bottom').height() + $(document).scrollTop();
			var offsetX = $('.w960').width() + $('.w960').offset().left + $(document).scrollLeft() ;
			
			if ($.browser.msie6) {
			    $('#go_top_bottom').addClass("ie6fixedBR"); 
			} else {
			    $('#go_top_bottom').css({'position': 'fixed', 'right': '1px', 'bottom': '1px', 'z-index': '100001'}); 
			}
			$(window).scroll(function(){scroll_position('go_top_bottom');});
			$(window).resize(function(){scroll_position('go_top_bottom');});
			$(window).load(function(){scroll_position('go_top_bottom');});
			$('#go_top_bottom #go_top').click(function(){
				scroll_to_pos('top');
				return false;
			});
			
			$('#go_top_bottom #go_bottom').click(function(){
				scroll_to_pos('bottom');
				return false;
			});
			
			if(!isScroll())
			{
			    $('#go_top_bottom').hide();
			}
			else
			{
				 $('#go_top_bottom').show();
			}
			
	    });